Summary
Updated Aug 31, 2026
James C. Foster is Director of CHARLES RIVER LABORATORIES INTERNATIONAL, INC. (CRL). 10 SEC Form 4 filings on record going back to 2024, most recently on 27 August 2026. Most recent open-market trade: sold $10.07M of CRL on 27 August 2026. Lifetime open-market sales: $34.84M.
Recent Transactions
20Every recent SEC Form 4 transaction James C. Foster has reported, most recent first.
$CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.S - Open-market sale10b5-133.6K shares @ $300.00$10.07M
- $CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.M - Option exercise10b5-1
12.4K shares @ $208.44$2.59M
- $CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.M - Option exercise10b5-1
21.1K shares @ $194.12$4.10M
- $CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.S - Open-market sale10b5-1
28.7K shares @ $275.00$7.90M
- $CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.M - Option exercise10b5-1
28.7K shares @ $179.66$5.16M
- $CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.S - Open-market sale10b5-1
75.0K shares @ $225.00$16.88M
- $CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.F - Tax withholding / forfeiture
1.6K shares @ $180.71$288K
- $CRL CHARLES RIVER LABORATORIES INTERNATIONAL, INC.F - Tax withholding / forfeiture
14.7K shares @ $211.68$3.10M
Trading Pattern
InsiderAlpha's records for James C. Foster go back to 2024: 10 primary Form 4 filings, an average of 3.3 per year. 9 recorded transactions carry a Rule 10b5-1 flag, meaning they were pre-scheduled under a written trading plan rather than discretionary.
Other Insiders Active in the Same Stocks
Insiders who reported open-market trades in the last 12 months at the companies James C. Foster files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
- Shannon M. Parisotto - $2.97M of CRL open-market activity in the last 12 months
- Birgit Girshick - $1.82M of CRL open-market activity in the last 12 months
- Michael Gunnar Knell - $1.73M of CRL open-market activity in the last 12 months
- Victoria L. Creamer - $1.08M of CRL open-market activity in the last 12 months
- Nancy C. Andrews - $163K of CRL open-market activity in the last 12 months
- Joseph W. Laplume - $70K of CRL open-market activity in the last 12 months
More Notable Insiders
Other corporate insiders with significant SEC Form 4 track records on InsiderAlpha:
Frequently Asked Questions
Who is James C. Foster?
James C. Foster is a corporate insider, tracked as Director of CHARLES RIVER LABORATORIES INTERNATIONAL, INC. (CRL). InsiderAlpha holds 10 primary Form 4 filings for them, the earliest from 2024, updated as new SEC EDGAR filings are processed.
How many SEC Form 4 filings has James C. Foster submitted recently?
5 primary Form 4 filings in the last 90 days, covering 1 company.
Has James C. Foster been buying or selling stock?
Recorded transactions: 0 open-market purchases and 3 open-market sales ($34.84M) across all tracked filings.
Where can I see all of James C. Foster's SEC filings?
All Form 4 filings, transaction values, and 10b5-1 plan flags are listed on this page and updated in real time as new SEC EDGAR filings are processed.
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